On streambank in open Pinus edulis - Juniperus monosperma forest; associates include Dalea oligophylla, Astragalus brandegei, A. kentrophyta, Melilotus alba, M. officinale, Halerpestre cymbalaria, Elymus canadensis, Juncus ensifolius, Polypogon monspeliensis, Erigeron divergens, Picradenia richardsonis; pubescence dolabriform; flowers white; no fruits evident; occasional in and along dry streambed.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)